Complete flush pushbutton K/AK
Complete non-illuminated control pushbuttons ST22
ST22-##-#
EAN:
Description: the first digit represents the number of normally open circuits, the second digit represents the number of normally closed circuits.
Technical data
| Rated insulation voltage Ui | 500 V |
| Rated continuous current Iu=Ith | 10 A |
| Rated operational current Ie for AC-15 | 2.5 A (230 V) 1.6 A (400/500 V) |
| Rated operational current Ie for AC-13 | 4 A (24 V) 1 A (110 V) 0.25 A (220 V) |
| Switch short-circuit protection | 10 A (fast fuse link) 1 kA (prospective short circuit current for Ue=500 V) |
| Mechanical endurance | 3.0 mln (transposition cycles) |
| Electrical endurance | 0.2 mln (at rated switching voltages and currents) 1.0 mln (switching cycles) - up to 80 VA (for AC electromagnets) - up to 10 W (for DC electromagnets) |
| Frequency of switching | up to 3600 h-1 |
| Ambient temperature | -40 ... +70°C (work) -40 ... +70°C (storage) |
| Vibration test (acc. to IEC 60068-2-6) | 2...13, 2...100 Hz (frequency) ± 1 mm (amplitude) ±0.7 g (acceleration) |
| Shock test (acc. to IEC 60068-2-27) | 15 g (peak acceleration) 11 ms (impulse duration) |
| Damp heat cyclic test (acc. to IEC 60068-2-30) | 55°C (ambient temperature) 95% (relative humidity) |
| Salt mist cyclic test (acc. to IEC 60068-2-52) | severity 1 |
| Protection level (Publ. IEC529) of pushbutton actuators after mounting in panel opening | IP65 |
| Wire gauge | 2× 1...2.5 mm² (solid) 2× 0.75...1.5 mm² (stranded) |
| Working position | any |
| Terminal marking | PN-EN 50013 |
| Compliance with the standard | PN-EN 60947-5-1 IEC 60947-5-1 IEC 60947-1 |
Assembly
